| Gassino Torinese to Oerlinghausen | 474.13 mi (763.04 km) |
| Gassino Torinese to Oestrich-Winkel | 336.78 mi (542.00 km) |
| Gassino Torinese to Offenburg | 230.80 mi (371.44 km) |
| Gassino Torinese to Oftersheim | 295.35 mi (475.32 km) |
| Gassino Torinese to Ohrdruf | 416.14 mi (669.72 km) |
| Gassino Torinese to Ohringen | 292.19 mi (470.23 km) |
| Gassino Torinese to Olbernhau | 459.73 mi (739.86 km) |
| Gassino Torinese to Olching | 269.19 mi (433.21 km) |
| Gassino Torinese to Oldenburg | 554.18 mi (891.87 km) |
| Gassino Torinese to Oldenburg in Holstein | 648.19 mi (1,043.16 km) |
| Gassino Torinese to Olfen | 455.74 mi (733.45 km) |
| Gassino Torinese to Olpe | 406.93 mi (654.89 km) |
| Gassino Torinese to Olsberg | 431.02 mi (693.66 km) |
| Gassino Torinese to Oranienburg | 581.02 mi (935.06 km) |
| Gassino Torinese to Ortenberg | 365.75 mi (588.62 km) |
