| Encinitas to Nuth | 5,684.74 mi (9,148.70 km) |
| Encinitas to Oegstgeest | 5,580.05 mi (8,980.22 km) |
| Encinitas to Oirschot | 5,638.45 mi (9,074.20 km) |
| Encinitas to Oisterwijk | 5,631.35 mi (9,062.78 km) |
| Encinitas to Oldebroek | 5,610.55 mi (9,029.30 km) |
| Encinitas to Oldenzaal | 5,647.81 mi (9,089.27 km) |
| Encinitas to Ommen | 5,622.68 mi (9,048.83 km) |
| Encinitas to Oosterend | 5,588.54 mi (8,993.89 km) |
| Encinitas to Oosterhout | 5,617.92 mi (9,041.17 km) |
| Encinitas to Oosterwolde | 5,595.82 mi (9,005.59 km) |
| Encinitas to Oostzaan | 5,580.76 mi (8,981.36 km) |
| Encinitas to Opmeer | 5,569.96 mi (8,963.99 km) |
| Encinitas to Oss | 5,632.16 mi (9,064.09 km) |
| Encinitas to Oud-Beijerland | 5,595.52 mi (9,005.11 km) |
| Encinitas to Oudenbosch | 5,610.23 mi (9,028.79 km) |
