| Llantwit Major to Orthez | 561.38 mi (903.46 km) |
| Llantwit Major to Orvault | 297.57 mi (478.88 km) |
| Llantwit Major to Osny | 293.47 mi (472.29 km) |
| Llantwit Major to Ostwald | 534.16 mi (859.65 km) |
| Llantwit Major to Ouistreham | 204.21 mi (328.64 km) |
| Llantwit Major to Oullins | 545.33 mi (877.62 km) |
| Llantwit Major to Outreau | 225.38 mi (362.71 km) |
| Llantwit Major to Oyonnax | 546.17 mi (878.98 km) |
| Llantwit Major to Ozoir-la-Ferriere | 327.57 mi (527.17 km) |
| Llantwit Major to Pace | 237.57 mi (382.33 km) |
| Llantwit Major to Palaiseau | 314.46 mi (506.07 km) |
| Llantwit Major to Pamiers | 620.05 mi (997.88 km) |
| Llantwit Major to Panazol | 442.18 mi (711.63 km) |
| Llantwit Major to Pantin | 312.51 mi (502.94 km) |
| Llantwit Major to Paray-le-Monial | 485.38 mi (781.14 km) |
