| Backa Topola to Nuth | 721.25 mi (1,160.75 km) |
| Backa Topola to Oegstgeest | 813.73 mi (1,309.57 km) |
| Backa Topola to Oirschot | 761.02 mi (1,224.75 km) |
| Backa Topola to Oisterwijk | 767.38 mi (1,234.98 km) |
| Backa Topola to Oldebroek | 769.61 mi (1,238.57 km) |
| Backa Topola to Oldenzaal | 727.79 mi (1,171.26 km) |
| Backa Topola to Ommen | 753.57 mi (1,212.76 km) |
| Backa Topola to Oosterend | 784.26 mi (1,262.15 km) |
| Backa Topola to Oosterhout | 782.45 mi (1,259.23 km) |
| Backa Topola to Oosterwolde | 776.00 mi (1,248.85 km) |
| Backa Topola to Oostzaan | 806.17 mi (1,297.40 km) |
| Backa Topola to Opmeer | 812.75 mi (1,307.99 km) |
| Backa Topola to Oss | 760.85 mi (1,224.47 km) |
| Backa Topola to Oud-Beijerland | 805.24 mi (1,295.91 km) |
| Backa Topola to Oudenbosch | 793.88 mi (1,277.62 km) |
