| Somma Lombardo to Orthez | 489.75 mi (788.17 km) |
| Somma Lombardo to Orvault | 502.85 mi (809.26 km) |
| Somma Lombardo to Osny | 388.18 mi (624.72 km) |
| Somma Lombardo to Ostwald | 203.50 mi (327.50 km) |
| Somma Lombardo to Ouistreham | 486.06 mi (782.24 km) |
| Somma Lombardo to Oullins | 187.79 mi (302.23 km) |
| Somma Lombardo to Outreau | 476.50 mi (766.86 km) |
| Somma Lombardo to Oyonnax | 151.45 mi (243.74 km) |
| Somma Lombardo to Ozoir-la-Ferriere | 354.07 mi (569.83 km) |
| Somma Lombardo to Pace | 522.32 mi (840.60 km) |
| Somma Lombardo to Palaiseau | 368.14 mi (592.46 km) |
| Somma Lombardo to Pamiers | 392.14 mi (631.08 km) |
| Somma Lombardo to Panazol | 356.26 mi (573.34 km) |
| Somma Lombardo to Pantin | 369.14 mi (594.08 km) |
| Somma Lombardo to Paray-le-Monial | 225.87 mi (363.50 km) |
