| Sonsbeck to Ifield | 285.90 mi (460.12 km) |
| Sonsbeck to Ilford | 270.04 mi (434.58 km) |
| Sonsbeck to Ilfracombe | 452.85 mi (728.79 km) |
| Sonsbeck to Ilkeston | 337.99 mi (543.94 km) |
| Sonsbeck to Ilkley | 377.98 mi (608.29 km) |
| Sonsbeck to Immingham | 309.28 mi (497.73 km) |
| Sonsbeck to Ince-in-Makerfield | 399.49 mi (642.92 km) |
| Sonsbeck to Inverness | 586.13 mi (943.29 km) |
| Sonsbeck to Inverurie | 525.80 mi (846.19 km) |
| Sonsbeck to Ipswich | 225.04 mi (362.16 km) |
| Sonsbeck to Irlam | 390.71 mi (628.79 km) |
| Sonsbeck to Irthlingborough | 301.55 mi (485.30 km) |
| Sonsbeck to Irvine | 529.67 mi (852.42 km) |
| Sonsbeck to Islington | 278.18 mi (447.68 km) |
| Sonsbeck to Iver | 295.62 mi (475.75 km) |
