| Porcia to Orthez | 678.20 mi (1,091.46 km) |
| Porcia to Orvault | 680.75 mi (1,095.57 km) |
| Porcia to Osny | 536.29 mi (863.07 km) |
| Porcia to Ostwald | 291.02 mi (468.35 km) |
| Porcia to Ouistreham | 640.77 mi (1,031.23 km) |
| Porcia to Oullins | 376.10 mi (605.28 km) |
| Porcia to Outreau | 601.93 mi (968.71 km) |
| Porcia to Oyonnax | 333.92 mi (537.40 km) |
| Porcia to Ozoir-la-Ferriere | 503.42 mi (810.17 km) |
| Porcia to Pace | 692.83 mi (1,115.00 km) |
| Porcia to Palaiseau | 520.84 mi (838.21 km) |
| Porcia to Pamiers | 576.07 mi (927.10 km) |
| Porcia to Panazol | 543.25 mi (874.27 km) |
| Porcia to Pantin | 518.05 mi (833.73 km) |
| Porcia to Paray-le-Monial | 407.47 mi (655.77 km) |
