| Ahlen to Castelli Calepio | 433.29 mi (697.31 km) |
| Ahlen to Castelnovo ne' Monti | 519.43 mi (835.95 km) |
| Ahlen to Castelnuovo Berardenga | 605.20 mi (973.98 km) |
| Ahlen to Castelnuovo di Porto | 699.62 mi (1,125.93 km) |
| Ahlen to Castelnuovo di Verona | 456.58 mi (734.79 km) |
| Ahlen to Castelnuovo Rangone | 517.62 mi (833.03 km) |
| Ahlen to Castelvetrano | 1,001.57 mi (1,611.87 km) |
| Ahlen to Castelvetro di Modena | 521.17 mi (838.74 km) |
| Ahlen to Castenaso | 527.49 mi (848.91 km) |
| Ahlen to Castenedolo | 448.40 mi (721.63 km) |
| Ahlen to Castiglion Fiorentino | 611.05 mi (983.39 km) |
| Ahlen to Castiglione del Lago | 626.49 mi (1,008.24 km) |
| Ahlen to Castiglione delle Stiviere | 455.47 mi (733.00 km) |
| Ahlen to Castrolibero | 947.88 mi (1,525.46 km) |
| Ahlen to Castrovillari | 915.97 mi (1,474.12 km) |
