| Harrow to Campodarsego | 699.48 mi (1,125.70 km) |
| Harrow to Campogalliano | 701.33 mi (1,128.69 km) |
| Harrow to Campolongo Maggiore | 711.95 mi (1,145.78 km) |
| Harrow to Camponogara | 710.26 mi (1,143.06 km) |
| Harrow to Camposampiero | 697.05 mi (1,121.79 km) |
| Harrow to Canegrate | 593.10 mi (954.50 km) |
| Harrow to Canelli | 618.35 mi (995.15 km) |
| Harrow to Canicatti | 1,201.55 mi (1,933.71 km) |
| Harrow to Canosa di Puglia | 1,056.06 mi (1,699.57 km) |
| Harrow to Cantu | 591.22 mi (951.48 km) |
| Harrow to Caorle | 730.70 mi (1,175.95 km) |
| Harrow to Capaci | 1,136.82 mi (1,829.54 km) |
| Harrow to Capannori | 735.28 mi (1,183.32 km) |
| Harrow to Capena | 889.84 mi (1,432.06 km) |
| Harrow to Capo d'Orlando | 1,181.22 mi (1,900.99 km) |
