| Modica to Oegstgeest | 1,170.77 mi (1,884.16 km) |
| Modica to Oirschot | 1,112.25 mi (1,789.99 km) |
| Modica to Oisterwijk | 1,119.36 mi (1,801.43 km) |
| Modica to Oldebroek | 1,159.34 mi (1,865.78 km) |
| Modica to Oldenzaal | 1,133.21 mi (1,823.73 km) |
| Modica to Ommen | 1,154.50 mi (1,857.99 km) |
| Modica to Oosterend | 1,191.19 mi (1,917.04 km) |
| Modica to Oosterhout | 1,130.08 mi (1,818.69 km) |
| Modica to Oosterwolde | 1,186.58 mi (1,909.61 km) |
| Modica to Oostzaan | 1,177.49 mi (1,894.98 km) |
| Modica to Opmeer | 1,192.51 mi (1,919.16 km) |
| Modica to Oss | 1,124.21 mi (1,809.25 km) |
| Modica to Oud-Beijerland | 1,150.19 mi (1,851.04 km) |
| Modica to Oudenbosch | 1,133.93 mi (1,824.88 km) |
| Modica to Oudewater | 1,152.47 mi (1,854.72 km) |
