| Boppard to Castelli Calepio | 335.16 mi (539.38 km) |
| Boppard to Castelnovo ne' Monti | 421.57 mi (678.46 km) |
| Boppard to Castelnuovo Berardenga | 510.22 mi (821.11 km) |
| Boppard to Castelnuovo di Porto | 606.47 mi (976.03 km) |
| Boppard to Castelnuovo di Verona | 362.68 mi (583.68 km) |
| Boppard to Castelnuovo Rangone | 422.42 mi (679.83 km) |
| Boppard to Castelvetrano | 904.20 mi (1,455.17 km) |
| Boppard to Castelvetro di Modena | 425.95 mi (685.50 km) |
| Boppard to Castenaso | 434.87 mi (699.86 km) |
| Boppard to Castenedolo | 352.00 mi (566.50 km) |
| Boppard to Castiglion Fiorentino | 517.84 mi (833.38 km) |
| Boppard to Castiglione del Lago | 533.41 mi (858.45 km) |
| Boppard to Castiglione delle Stiviere | 360.00 mi (579.37 km) |
| Boppard to Castrolibero | 862.97 mi (1,388.82 km) |
| Boppard to Castrovillari | 832.14 mi (1,339.20 km) |
