| University of California-Santa Barbara to Nuth | 5,682.65 mi (9,145.35 km) |
| University of California-Santa Barbara to Oegstgeest | 5,577.17 mi (8,975.58 km) |
| University of California-Santa Barbara to Oirschot | 5,635.92 mi (9,070.14 km) |
| University of California-Santa Barbara to Oisterwijk | 5,628.78 mi (9,058.65 km) |
| University of California-Santa Barbara to Oldebroek | 5,605.13 mi (9,020.59 km) |
| University of California-Santa Barbara to Oldenzaal | 5,641.26 mi (9,078.73 km) |
| University of California-Santa Barbara to Ommen | 5,616.41 mi (9,038.75 km) |
| University of California-Santa Barbara to Oosterend | 5,581.70 mi (8,982.88 km) |
| University of California-Santa Barbara to Oosterhout | 5,615.69 mi (9,037.58 km) |
| University of California-Santa Barbara to Oosterwolde | 5,588.70 mi (8,994.15 km) |
| University of California-Santa Barbara to Oostzaan | 5,576.76 mi (8,974.93 km) |
| University of California-Santa Barbara to Opmeer | 5,565.29 mi (8,956.47 km) |
| University of California-Santa Barbara to Oss | 5,628.76 mi (9,058.61 km) |
| University of California-Santa Barbara to Oud-Beijerland | 5,593.53 mi (9,001.92 km) |
| University of California-Santa Barbara to Oudenbosch | 5,608.57 mi (9,026.13 km) |
