| Caister-on-Sea to Orthez | 643.46 mi (1,035.54 km) |
| Caister-on-Sea to Orvault | 400.37 mi (644.33 km) |
| Caister-on-Sea to Osny | 248.58 mi (400.06 km) |
| Caister-on-Sea to Ostwald | 385.79 mi (620.88 km) |
| Caister-on-Sea to Ouistreham | 248.54 mi (399.98 km) |
| Caister-on-Sea to Oullins | 498.83 mi (802.79 km) |
| Caister-on-Sea to Outreau | 134.66 mi (216.72 km) |
| Caister-on-Sea to Oyonnax | 475.50 mi (765.24 km) |
| Caister-on-Sea to Ozoir-la-Ferriere | 270.78 mi (435.78 km) |
| Caister-on-Sea to Pace | 347.27 mi (558.87 km) |
| Caister-on-Sea to Palaiseau | 272.91 mi (439.20 km) |
| Caister-on-Sea to Pamiers | 658.80 mi (1,060.24 km) |
| Caister-on-Sea to Panazol | 471.05 mi (758.09 km) |
| Caister-on-Sea to Pantin | 261.04 mi (420.10 km) |
| Caister-on-Sea to Paray-le-Monial | 441.46 mi (710.46 km) |
