| Newton Mearns to Nuth | 537.76 mi (865.44 km) |
| Newton Mearns to Oegstgeest | 434.66 mi (699.52 km) |
| Newton Mearns to Oirschot | 492.12 mi (792.00 km) |
| Newton Mearns to Oisterwijk | 485.12 mi (780.72 km) |
| Newton Mearns to Oldebroek | 473.17 mi (761.50 km) |
| Newton Mearns to Oldenzaal | 514.86 mi (828.59 km) |
| Newton Mearns to Ommen | 489.08 mi (787.10 km) |
| Newton Mearns to Oosterend | 459.50 mi (739.49 km) |
| Newton Mearns to Oosterhout | 471.25 mi (758.41 km) |
| Newton Mearns to Oosterwolde | 468.16 mi (753.42 km) |
| Newton Mearns to Oostzaan | 438.40 mi (705.54 km) |
| Newton Mearns to Opmeer | 430.33 mi (692.55 km) |
| Newton Mearns to Oss | 487.57 mi (784.66 km) |
| Newton Mearns to Oud-Beijerland | 448.62 mi (721.98 km) |
| Newton Mearns to Oudenbosch | 463.01 mi (745.14 km) |
