| Niska Banja to Nuth | 920.07 mi (1,480.71 km) |
| Niska Banja to Oegstgeest | 1,016.11 mi (1,635.27 km) |
| Niska Banja to Oirschot | 961.74 mi (1,547.77 km) |
| Niska Banja to Oisterwijk | 968.32 mi (1,558.36 km) |
| Niska Banja to Oldebroek | 974.64 mi (1,568.54 km) |
| Niska Banja to Oldenzaal | 933.66 mi (1,502.58 km) |
| Niska Banja to Ommen | 959.40 mi (1,544.01 km) |
| Niska Banja to Oosterend | 990.96 mi (1,594.80 km) |
| Niska Banja to Oosterhout | 983.17 mi (1,582.26 km) |
| Niska Banja to Oosterwolde | 982.89 mi (1,581.81 km) |
| Niska Banja to Oostzaan | 1,009.94 mi (1,625.35 km) |
| Niska Banja to Opmeer | 1,017.45 mi (1,637.42 km) |
| Niska Banja to Oss | 962.99 mi (1,549.79 km) |
| Niska Banja to Oud-Beijerland | 1,006.09 mi (1,619.14 km) |
| Niska Banja to Oudenbosch | 993.90 mi (1,599.53 km) |
