| Comarnic to Nuth | 988.26 mi (1,590.45 km) |
| Comarnic to Oegstgeest | 1,071.95 mi (1,725.13 km) |
| Comarnic to Oirschot | 1,023.80 mi (1,647.65 km) |
| Comarnic to Oisterwijk | 1,029.60 mi (1,656.98 km) |
| Comarnic to Oldebroek | 1,021.15 mi (1,643.39 km) |
| Comarnic to Oldenzaal | 977.28 mi (1,572.79 km) |
| Comarnic to Ommen | 1,002.68 mi (1,613.66 km) |
| Comarnic to Oosterend | 1,029.27 mi (1,656.46 km) |
| Comarnic to Oosterhout | 1,044.88 mi (1,681.58 km) |
| Comarnic to Oosterwolde | 1,020.33 mi (1,642.07 km) |
| Comarnic to Oostzaan | 1,060.88 mi (1,707.32 km) |
| Comarnic to Opmeer | 1,064.58 mi (1,713.28 km) |
| Comarnic to Oss | 1,020.51 mi (1,642.35 km) |
| Comarnic to Oud-Beijerland | 1,067.07 mi (1,717.28 km) |
| Comarnic to Oudenbosch | 1,057.53 mi (1,701.93 km) |
