| Swansea to Orthez | 4,429.47 mi (7,128.55 km) |
| Swansea to Orvault | 4,268.17 mi (6,868.95 km) |
| Swansea to Osny | 4,359.74 mi (7,016.32 km) |
| Swansea to Ostwald | 4,598.95 mi (7,401.30 km) |
| Swansea to Ouistreham | 4,260.07 mi (6,855.91 km) |
| Swansea to Oullins | 4,587.13 mi (7,382.28 km) |
| Swansea to Outreau | 4,287.53 mi (6,900.12 km) |
| Swansea to Oyonnax | 4,601.94 mi (7,406.11 km) |
| Swansea to Ozoir-la-Ferriere | 4,393.68 mi (7,070.95 km) |
| Swansea to Pace | 4,234.22 mi (6,814.32 km) |
| Swansea to Palaiseau | 4,378.54 mi (7,046.58 km) |
| Swansea to Pamiers | 4,545.81 mi (7,315.77 km) |
| Swansea to Panazol | 4,437.87 mi (7,142.07 km) |
| Swansea to Pantin | 4,378.64 mi (7,046.73 km) |
| Swansea to Paray-le-Monial | 4,532.46 mi (7,294.28 km) |
