| Rhondda to Ickenham | 127.52 mi (205.22 km) |
| Rhondda to Ifield | 142.58 mi (229.46 km) |
| Rhondda to Ilford | 150.44 mi (242.10 km) |
| Rhondda to Ilfracombe | 41.36 mi (66.56 km) |
| Rhondda to Ilkeston | 129.24 mi (207.99 km) |
| Rhondda to Ilkley | 172.91 mi (278.27 km) |
| Rhondda to Immingham | 192.50 mi (309.80 km) |
| Rhondda to Ince-in-Makerfield | 137.32 mi (221.00 km) |
| Rhondda to Inverness | 406.30 mi (653.88 km) |
| Rhondda to Inverurie | 393.55 mi (633.36 km) |
| Rhondda to Ipswich | 197.59 mi (317.99 km) |
| Rhondda to Irlam | 133.12 mi (214.24 km) |
| Rhondda to Irthlingborough | 128.96 mi (207.55 km) |
| Rhondda to Irvine | 281.31 mi (452.72 km) |
| Rhondda to Islington | 142.40 mi (229.17 km) |
