| Holladay to Nuth | 5,080.85 mi (8,176.84 km) |
| Holladay to Oegstgeest | 4,975.95 mi (8,008.02 km) |
| Holladay to Oirschot | 5,034.44 mi (8,102.15 km) |
| Holladay to Oisterwijk | 5,027.33 mi (8,090.71 km) |
| Holladay to Oldebroek | 5,005.93 mi (8,056.27 km) |
| Holladay to Oldenzaal | 5,043.01 mi (8,115.94 km) |
| Holladay to Ommen | 5,017.92 mi (8,075.56 km) |
| Holladay to Oosterend | 4,983.69 mi (8,020.47 km) |
| Holladay to Oosterhout | 5,013.98 mi (8,069.23 km) |
| Holladay to Oosterwolde | 4,990.92 mi (8,032.11 km) |
| Holladay to Oostzaan | 4,976.41 mi (8,008.76 km) |
| Holladay to Opmeer | 4,965.48 mi (7,991.17 km) |
| Holladay to Oss | 5,027.95 mi (8,091.71 km) |
| Holladay to Oud-Beijerland | 4,991.64 mi (8,033.26 km) |
| Holladay to Oudenbosch | 5,006.43 mi (8,057.07 km) |
