| Roudnice nad Labem to Oegstgeest | 439.80 mi (707.80 km) |
| Roudnice nad Labem to Oirschot | 396.73 mi (638.47 km) |
| Roudnice nad Labem to Oisterwijk | 401.75 mi (646.55 km) |
| Roudnice nad Labem to Oldebroek | 386.08 mi (621.33 km) |
| Roudnice nad Labem to Oldenzaal | 341.85 mi (550.15 km) |
| Roudnice nad Labem to Ommen | 367.02 mi (590.66 km) |
| Roudnice nad Labem to Oosterend | 393.15 mi (632.72 km) |
| Roudnice nad Labem to Oosterhout | 416.90 mi (670.93 km) |
| Roudnice nad Labem to Oosterwolde | 384.23 mi (618.36 km) |
| Roudnice nad Labem to Oostzaan | 426.79 mi (686.86 km) |
| Roudnice nad Labem to Opmeer | 429.34 mi (690.96 km) |
| Roudnice nad Labem to Oss | 390.35 mi (628.21 km) |
| Roudnice nad Labem to Oud-Beijerland | 437.99 mi (704.88 km) |
| Roudnice nad Labem to Oudenbosch | 430.58 mi (692.95 km) |
| Roudnice nad Labem to Oudewater | 420.83 mi (677.26 km) |
