| Grenchen to Bitonto | 622.16 mi (1,001.27 km) |
| Grenchen to Bitritto | 630.92 mi (1,015.37 km) |
| Grenchen to Bollate | 139.90 mi (225.15 km) |
| Grenchen to Bologna | 266.01 mi (428.11 km) |
| Grenchen to Bolzano | 193.07 mi (310.71 km) |
| Grenchen to Bomporto | 243.54 mi (391.95 km) |
| Grenchen to Bonate di Sopra | 146.70 mi (236.10 km) |
| Grenchen to Bondeno | 250.14 mi (402.56 km) |
| Grenchen to Bordighera | 235.78 mi (379.46 km) |
| Grenchen to Borgaro Torinese | 141.51 mi (227.74 km) |
| Grenchen to Borgo a Buggiano | 279.76 mi (450.23 km) |
| Grenchen to Borgo San Dalmazzo | 197.46 mi (317.79 km) |
| Grenchen to Borgo San Lorenzo | 295.42 mi (475.43 km) |
| Grenchen to Borgomanero | 114.90 mi (184.92 km) |
| Grenchen to Borgoricco | 246.68 mi (396.99 km) |
