| Harlow to Castelletto sopra Ticino | 569.87 mi (917.12 km) |
| Harlow to Castelli Calepio | 614.52 mi (988.97 km) |
| Harlow to Castelnovo ne' Monti | 693.11 mi (1,115.46 km) |
| Harlow to Castelnuovo Berardenga | 786.05 mi (1,265.02 km) |
| Harlow to Castelnuovo di Porto | 883.35 mi (1,421.62 km) |
| Harlow to Castelnuovo di Verona | 653.39 mi (1,051.53 km) |
| Harlow to Castelnuovo Rangone | 703.90 mi (1,132.81 km) |
| Harlow to Castelvetrano | 1,151.73 mi (1,853.54 km) |
| Harlow to Castelvetro di Modena | 707.05 mi (1,137.88 km) |
| Harlow to Castenaso | 723.52 mi (1,164.40 km) |
| Harlow to Castenedolo | 635.83 mi (1,023.27 km) |
| Harlow to Castiglion Fiorentino | 799.24 mi (1,286.26 km) |
| Harlow to Castiglione del Lago | 814.36 mi (1,310.58 km) |
| Harlow to Castiglione delle Stiviere | 646.12 mi (1,039.84 km) |
| Harlow to Castrolibero | 1,155.14 mi (1,859.01 km) |
