| Renfrew to Ickenham | 339.06 mi (545.67 km) |
| Renfrew to Ifield | 370.59 mi (596.41 km) |
| Renfrew to Ilford | 349.96 mi (563.21 km) |
| Renfrew to Ilfracombe | 322.85 mi (519.58 km) |
| Renfrew to Ilkeston | 235.89 mi (379.63 km) |
| Renfrew to Ilkley | 169.12 mi (272.17 km) |
| Renfrew to Immingham | 228.26 mi (367.35 km) |
| Renfrew to Ince-in-Makerfield | 176.61 mi (284.23 km) |
| Renfrew to Inverness | 110.71 mi (178.17 km) |
| Renfrew to Inverurie | 123.39 mi (198.58 km) |
| Renfrew to Ipswich | 346.76 mi (558.05 km) |
| Renfrew to Irlam | 185.56 mi (298.63 km) |
| Renfrew to Irthlingborough | 289.19 mi (465.41 km) |
| Renfrew to Irvine | 20.73 mi (33.36 km) |
| Renfrew to Islington | 346.83 mi (558.16 km) |
