| Witham to Hutchinson (Minnesota) | 4,070.86 mi (6,551.42 km) |
| Witham to Hutto (Texas) | 4,914.24 mi (7,908.71 km) |
| Witham to Hyattsville (Maryland) | 3,683.51 mi (5,928.04 km) |
| Witham to Hybla Valley (Virginia) | 3,698.36 mi (5,951.93 km) |
| Witham to Idaho Falls (Idaho) | 4,727.19 mi (7,607.68 km) |
| Witham to Idylwood (Virginia) | 3,696.92 mi (5,949.62 km) |
| Witham to Ilchester (Maryland) | 3,664.29 mi (5,897.11 km) |
| Witham to Immokalee (Florida) | 4,475.41 mi (7,202.47 km) |
| Witham to Imperial (California) | 5,434.78 mi (8,746.44 km) |
| Witham to Imperial Beach (California) | 5,500.65 mi (8,852.43 km) |
| Witham to Independence (Kentucky) | 3,986.57 mi (6,415.77 km) |
| Witham to Independence (Missouri) | 4,354.00 mi (7,007.09 km) |
| Witham to Indian Trail (North Carolina) | 4,015.27 mi (6,461.95 km) |
| Witham to Indiana (Pennsylvania) | 3,696.53 mi (5,948.99 km) |
| Witham to Indianapolis (Indiana) | 4,009.60 mi (6,452.83 km) |
