| Swindon to Ickenham | 57.20 mi (92.05 km) |
| Swindon to Ifield | 74.28 mi (119.54 km) |
| Swindon to Ilford | 80.15 mi (128.98 km) |
| Swindon to Ilfracombe | 103.79 mi (167.03 km) |
| Swindon to Ilkeston | 99.50 mi (160.14 km) |
| Swindon to Ilkley | 163.42 mi (262.99 km) |
| Swindon to Immingham | 156.31 mi (251.56 km) |
| Swindon to Ince-in-Makerfield | 141.08 mi (227.04 km) |
| Swindon to Inverness | 420.40 mi (676.57 km) |
| Swindon to Inverurie | 395.94 mi (637.21 km) |
| Swindon to Ipswich | 130.06 mi (209.30 km) |
| Swindon to Irlam | 133.01 mi (214.06 km) |
| Swindon to Irthlingborough | 72.48 mi (116.64 km) |
| Swindon to Irvine | 304.33 mi (489.78 km) |
| Swindon to Islington | 72.07 mi (115.98 km) |
