| Imperial Beach to Nuth | 5,708.37 mi (9,186.73 km) |
| Imperial Beach to Oegstgeest | 5,603.81 mi (9,018.46 km) |
| Imperial Beach to Oirschot | 5,662.15 mi (9,112.35 km) |
| Imperial Beach to Oisterwijk | 5,655.06 mi (9,100.94 km) |
| Imperial Beach to Oldebroek | 5,634.65 mi (9,068.10 km) |
| Imperial Beach to Oldenzaal | 5,672.07 mi (9,128.31 km) |
| Imperial Beach to Ommen | 5,646.90 mi (9,087.81 km) |
| Imperial Beach to Oosterend | 5,612.84 mi (9,033.00 km) |
| Imperial Beach to Oosterhout | 5,641.58 mi (9,079.25 km) |
| Imperial Beach to Oosterwolde | 5,620.16 mi (9,044.77 km) |
| Imperial Beach to Oostzaan | 5,604.67 mi (9,019.85 km) |
| Imperial Beach to Opmeer | 5,593.97 mi (9,002.63 km) |
| Imperial Beach to Oss | 5,655.99 mi (9,102.43 km) |
| Imperial Beach to Oud-Beijerland | 5,619.15 mi (9,043.14 km) |
| Imperial Beach to Oudenbosch | 5,633.81 mi (9,066.74 km) |
