| Guimar to Nuth | 1,944.99 mi (3,130.16 km) |
| Guimar to Oegstgeest | 1,967.30 mi (3,166.06 km) |
| Guimar to Oirschot | 1,956.28 mi (3,148.32 km) |
| Guimar to Oisterwijk | 1,957.53 mi (3,150.33 km) |
| Guimar to Oldebroek | 2,021.58 mi (3,253.42 km) |
| Guimar to Oldenzaal | 2,045.25 mi (3,291.51 km) |
| Guimar to Ommen | 2,039.89 mi (3,282.89 km) |
| Guimar to Oosterend | 2,054.33 mi (3,306.12 km) |
| Guimar to Oosterhout | 1,950.56 mi (3,139.13 km) |
| Guimar to Oosterwolde | 2,060.03 mi (3,315.29 km) |
| Guimar to Oostzaan | 1,991.89 mi (3,205.64 km) |
| Guimar to Opmeer | 2,007.56 mi (3,230.86 km) |
| Guimar to Oss | 1,976.05 mi (3,180.15 km) |
| Guimar to Oud-Beijerland | 1,946.40 mi (3,132.43 km) |
| Guimar to Oudenbosch | 1,938.20 mi (3,119.24 km) |
