| Huelva to Nuth | 1,135.41 mi (1,827.27 km) |
| Huelva to Oegstgeest | 1,171.00 mi (1,884.54 km) |
| Huelva to Oirschot | 1,152.12 mi (1,854.16 km) |
| Huelva to Oisterwijk | 1,154.27 mi (1,857.62 km) |
| Huelva to Oldebroek | 1,220.27 mi (1,963.84 km) |
| Huelva to Oldenzaal | 1,239.16 mi (1,994.23 km) |
| Huelva to Ommen | 1,236.84 mi (1,990.51 km) |
| Huelva to Oosterend | 1,255.49 mi (2,020.51 km) |
| Huelva to Oosterhout | 1,149.17 mi (1,849.41 km) |
| Huelva to Oosterwolde | 1,260.15 mi (2,028.02 km) |
| Huelva to Oostzaan | 1,195.07 mi (1,923.28 km) |
| Huelva to Opmeer | 1,212.03 mi (1,950.57 km) |
| Huelva to Oss | 1,172.49 mi (1,886.94 km) |
| Huelva to Oud-Beijerland | 1,148.20 mi (1,847.85 km) |
| Huelva to Oudenbosch | 1,138.04 mi (1,831.50 km) |
