| Martos to Nuth | 1,031.78 mi (1,660.49 km) |
| Martos to Oegstgeest | 1,079.53 mi (1,737.33 km) |
| Martos to Oirschot | 1,053.83 mi (1,695.97 km) |
| Martos to Oisterwijk | 1,056.80 mi (1,700.76 km) |
| Martos to Oldebroek | 1,123.62 mi (1,808.30 km) |
| Martos to Oldenzaal | 1,137.73 mi (1,831.00 km) |
| Martos to Ommen | 1,138.36 mi (1,832.01 km) |
| Martos to Oosterend | 1,160.51 mi (1,867.67 km) |
| Martos to Oosterhout | 1,053.54 mi (1,695.51 km) |
| Martos to Oosterwolde | 1,164.21 mi (1,873.62 km) |
| Martos to Oostzaan | 1,102.75 mi (1,774.71 km) |
| Martos to Opmeer | 1,120.53 mi (1,803.31 km) |
| Martos to Oss | 1,074.45 mi (1,729.16 km) |
| Martos to Oud-Beijerland | 1,055.47 mi (1,698.62 km) |
| Martos to Oudenbosch | 1,043.73 mi (1,679.71 km) |
