| Trecate to Orthez | 487.24 mi (784.13 km) |
| Trecate to Orvault | 509.51 mi (819.97 km) |
| Trecate to Osny | 400.57 mi (644.65 km) |
| Trecate to Ostwald | 220.71 mi (355.20 km) |
| Trecate to Ouistreham | 497.23 mi (800.22 km) |
| Trecate to Oullins | 190.81 mi (307.07 km) |
| Trecate to Outreau | 490.75 mi (789.78 km) |
| Trecate to Oyonnax | 158.65 mi (255.33 km) |
| Trecate to Ozoir-la-Ferriere | 366.47 mi (589.78 km) |
| Trecate to Pace | 530.72 mi (854.12 km) |
| Trecate to Palaiseau | 380.04 mi (611.61 km) |
| Trecate to Pamiers | 386.83 mi (622.54 km) |
| Trecate to Panazol | 359.59 mi (578.70 km) |
| Trecate to Pantin | 381.52 mi (614.00 km) |
| Trecate to Paray-le-Monial | 232.53 mi (374.22 km) |
