| Morton to Nuth | 4,323.17 mi (6,957.47 km) |
| Morton to Oegstgeest | 4,226.01 mi (6,801.10 km) |
| Morton to Oirschot | 4,280.65 mi (6,889.04 km) |
| Morton to Oisterwijk | 4,274.01 mi (6,878.35 km) |
| Morton to Oldebroek | 4,268.77 mi (6,869.92 km) |
| Morton to Oldenzaal | 4,310.79 mi (6,937.55 km) |
| Morton to Ommen | 4,285.01 mi (6,896.06 km) |
| Morton to Oosterend | 4,255.13 mi (6,847.96 km) |
| Morton to Oosterhout | 4,259.24 mi (6,854.59 km) |
| Morton to Oosterwolde | 4,263.63 mi (6,861.65 km) |
| Morton to Oostzaan | 4,232.51 mi (6,811.57 km) |
| Morton to Opmeer | 4,225.64 mi (6,800.51 km) |
| Morton to Oss | 4,279.12 mi (6,886.58 km) |
| Morton to Oud-Beijerland | 4,236.31 mi (6,817.68 km) |
| Morton to Oudenbosch | 4,248.84 mi (6,837.85 km) |
