| Biggleswade to Ifield | 66.51 mi (107.03 km) |
| Biggleswade to Ilford | 39.29 mi (63.23 km) |
| Biggleswade to Ilfracombe | 176.39 mi (283.88 km) |
| Biggleswade to Ilkeston | 75.52 mi (121.54 km) |
| Biggleswade to Ilkley | 142.80 mi (229.82 km) |
| Biggleswade to Immingham | 105.61 mi (169.97 km) |
| Biggleswade to Ince-in-Makerfield | 140.27 mi (225.74 km) |
| Biggleswade to Inverness | 404.58 mi (651.11 km) |
| Biggleswade to Inverurie | 368.75 mi (593.45 km) |
| Biggleswade to Ipswich | 59.96 mi (96.50 km) |
| Biggleswade to Irlam | 130.47 mi (209.97 km) |
| Biggleswade to Irthlingborough | 22.40 mi (36.05 km) |
| Biggleswade to Irvine | 302.99 mi (487.62 km) |
| Biggleswade to Islington | 37.98 mi (61.12 km) |
| Biggleswade to Iver | 40.45 mi (65.10 km) |
