| Narni to Bougival | 664.70 mi (1,069.73 km) |
| Narni to Bouguenais | 762.30 mi (1,226.81 km) |
| Narni to Boulogne-Billancourt | 659.78 mi (1,061.82 km) |
| Narni to Boulogne-sur-Mer | 766.14 mi (1,232.99 km) |
| Narni to Bourg-de-Peage | 411.00 mi (661.44 km) |
| Narni to Bourg-en-Bresse | 440.80 mi (709.40 km) |
| Narni to Bourg-la-Reine | 654.76 mi (1,053.74 km) |
| Narni to Bourg-les-Valence | 415.70 mi (669.00 km) |
| Narni to Bourges | 587.32 mi (945.20 km) |
| Narni to Bourgoin-Jallieu | 417.31 mi (671.59 km) |
| Narni to Bressuire | 704.17 mi (1,133.25 km) |
| Narni to Brest | 916.05 mi (1,474.24 km) |
| Narni to Bretigny-sur-Orge | 648.08 mi (1,042.99 km) |
| Narni to Breuillet | 651.18 mi (1,047.97 km) |
| Narni to Briancon | 336.51 mi (541.56 km) |
