| Grantham to Orthez | 651.57 mi (1,048.60 km) |
| Grantham to Orvault | 392.54 mi (631.74 km) |
| Grantham to Osny | 291.29 mi (468.78 km) |
| Grantham to Ostwald | 473.21 mi (761.55 km) |
| Grantham to Ouistreham | 251.95 mi (405.48 km) |
| Grantham to Oullins | 554.46 mi (892.32 km) |
| Grantham to Outreau | 180.24 mi (290.06 km) |
| Grantham to Oyonnax | 539.29 mi (867.90 km) |
| Grantham to Ozoir-la-Ferriere | 320.50 mi (515.79 km) |
| Grantham to Pace | 333.33 mi (536.44 km) |
| Grantham to Palaiseau | 316.48 mi (509.32 km) |
| Grantham to Pamiers | 685.06 mi (1,102.50 km) |
| Grantham to Panazol | 496.86 mi (799.61 km) |
| Grantham to Pantin | 307.73 mi (495.25 km) |
| Grantham to Paray-le-Monial | 494.58 mi (795.96 km) |
