| Gassino Torinese to Oegstgeest | 510.92 mi (822.24 km) |
| Gassino Torinese to Oirschot | 455.28 mi (732.70 km) |
| Gassino Torinese to Oisterwijk | 461.99 mi (743.50 km) |
| Gassino Torinese to Oldebroek | 513.44 mi (826.31 km) |
| Gassino Torinese to Oldenzaal | 498.40 mi (802.10 km) |
| Gassino Torinese to Ommen | 514.55 mi (828.08 km) |
| Gassino Torinese to Oosterend | 549.96 mi (885.07 km) |
| Gassino Torinese to Oosterhout | 470.25 mi (756.80 km) |
| Gassino Torinese to Oosterwolde | 547.68 mi (881.40 km) |
| Gassino Torinese to Oostzaan | 522.16 mi (840.33 km) |
| Gassino Torinese to Opmeer | 539.16 mi (867.69 km) |
| Gassino Torinese to Oss | 470.72 mi (757.56 km) |
| Gassino Torinese to Oud-Beijerland | 487.96 mi (785.30 km) |
| Gassino Torinese to Oudenbosch | 471.38 mi (758.61 km) |
| Gassino Torinese to Oudewater | 494.75 mi (796.23 km) |
