| Trofarello to Oegstgeest | 519.25 mi (835.66 km) |
| Trofarello to Oirschot | 463.90 mi (746.58 km) |
| Trofarello to Oisterwijk | 470.58 mi (757.32 km) |
| Trofarello to Oldebroek | 522.58 mi (841.01 km) |
| Trofarello to Oldenzaal | 507.99 mi (817.54 km) |
| Trofarello to Ommen | 523.93 mi (843.18 km) |
| Trofarello to Oosterend | 559.24 mi (900.00 km) |
| Trofarello to Oosterhout | 478.65 mi (770.32 km) |
| Trofarello to Oosterwolde | 557.05 mi (896.48 km) |
| Trofarello to Oostzaan | 530.78 mi (854.21 km) |
| Trofarello to Opmeer | 547.88 mi (881.72 km) |
| Trofarello to Oss | 479.54 mi (771.74 km) |
| Trofarello to Oud-Beijerland | 496.15 mi (798.47 km) |
| Trofarello to Oudenbosch | 479.56 mi (771.77 km) |
| Trofarello to Oudewater | 503.26 mi (809.93 km) |
