| Porcia to Bougival | 528.64 mi (850.76 km) |
| Porcia to Bouguenais | 680.46 mi (1,095.10 km) |
| Porcia to Boulogne-Billancourt | 523.61 mi (842.67 km) |
| Porcia to Boulogne-sur-Mer | 601.88 mi (968.63 km) |
| Porcia to Bourg-de-Peage | 371.86 mi (598.44 km) |
| Porcia to Bourg-en-Bresse | 354.29 mi (570.18 km) |
| Porcia to Bourg-la-Reine | 519.20 mi (835.58 km) |
| Porcia to Bourg-les-Valence | 380.62 mi (612.56 km) |
| Porcia to Bourges | 491.59 mi (791.13 km) |
| Porcia to Bourgoin-Jallieu | 354.71 mi (570.85 km) |
| Porcia to Bressuire | 626.57 mi (1,008.37 km) |
| Porcia to Brest | 818.82 mi (1,317.76 km) |
| Porcia to Bretigny-sur-Orge | 516.11 mi (830.60 km) |
| Porcia to Breuillet | 521.11 mi (838.65 km) |
| Porcia to Briancon | 299.24 mi (481.59 km) |
