| Radviliskis to Oegstgeest | 811.39 mi (1,305.81 km) |
| Radviliskis to Oirschot | 801.30 mi (1,289.56 km) |
| Radviliskis to Oisterwijk | 802.31 mi (1,291.19 km) |
| Radviliskis to Oldebroek | 748.78 mi (1,205.04 km) |
| Radviliskis to Oldenzaal | 713.46 mi (1,148.21 km) |
| Radviliskis to Ommen | 727.12 mi (1,170.19 km) |
| Radviliskis to Oosterend | 727.03 mi (1,170.04 km) |
| Radviliskis to Oosterhout | 813.32 mi (1,308.92 km) |
| Radviliskis to Oosterwolde | 718.74 mi (1,156.69 km) |
| Radviliskis to Oostzaan | 788.14 mi (1,268.39 km) |
| Radviliskis to Opmeer | 778.10 mi (1,252.23 km) |
| Radviliskis to Oss | 784.36 mi (1,262.31 km) |
| Radviliskis to Oud-Beijerland | 825.13 mi (1,327.92 km) |
| Radviliskis to Oudenbosch | 827.69 mi (1,332.03 km) |
| Radviliskis to Oudewater | 801.16 mi (1,289.34 km) |
