| Darlington to Nuth | 398.47 mi (641.27 km) |
| Darlington to Oegstgeest | 296.22 mi (476.72 km) |
| Darlington to Oirschot | 353.13 mi (568.31 km) |
| Darlington to Oisterwijk | 346.18 mi (557.12 km) |
| Darlington to Oldebroek | 338.09 mi (544.11 km) |
| Darlington to Oldenzaal | 381.00 mi (613.16 km) |
| Darlington to Ommen | 355.35 mi (571.88 km) |
| Darlington to Oosterend | 328.29 mi (528.33 km) |
| Darlington to Oosterhout | 332.13 mi (534.52 km) |
| Darlington to Oosterwolde | 337.32 mi (542.87 km) |
| Darlington to Oostzaan | 301.42 mi (485.10 km) |
| Darlington to Opmeer | 294.76 mi (474.37 km) |
| Darlington to Oss | 349.31 mi (562.16 km) |
| Darlington to Oud-Beijerland | 309.42 mi (497.96 km) |
| Darlington to Oudenbosch | 323.64 mi (520.86 km) |
