| Barnstaple to Orthez | 546.59 mi (879.65 km) |
| Barnstaple to Orvault | 285.19 mi (458.97 km) |
| Barnstaple to Osny | 305.18 mi (491.14 km) |
| Barnstaple to Ostwald | 552.49 mi (889.15 km) |
| Barnstaple to Ouistreham | 209.18 mi (336.65 km) |
| Barnstaple to Oullins | 549.69 mi (884.64 km) |
| Barnstaple to Outreau | 247.72 mi (398.66 km) |
| Barnstaple to Oyonnax | 553.89 mi (891.40 km) |
| Barnstaple to Ozoir-la-Ferriere | 339.18 mi (545.86 km) |
| Barnstaple to Pace | 226.95 mi (365.24 km) |
| Barnstaple to Palaiseau | 324.61 mi (522.41 km) |
| Barnstaple to Pamiers | 611.03 mi (983.35 km) |
| Barnstaple to Panazol | 437.55 mi (704.16 km) |
| Barnstaple to Pantin | 324.12 mi (521.62 km) |
| Barnstaple to Paray-le-Monial | 490.46 mi (789.31 km) |
