| Sofia to Hutchinson (Minnesota) | 5,273.30 mi (8,486.56 km) |
| Sofia to Hutto (Texas) | 6,140.06 mi (9,881.46 km) |
| Sofia to Hyattsville (Maryland) | 4,910.53 mi (7,902.73 km) |
| Sofia to Hybla Valley (Virginia) | 4,925.25 mi (7,926.43 km) |
| Sofia to Idaho Falls (Idaho) | 5,872.47 mi (9,450.83 km) |
| Sofia to Idylwood (Virginia) | 4,924.02 mi (7,924.45 km) |
| Sofia to Ilchester (Maryland) | 4,891.43 mi (7,871.99 km) |
| Sofia to Immokalee (Florida) | 5,685.59 mi (9,150.07 km) |
| Sofia to Imperial (California) | 6,605.26 mi (10,630.13 km) |
| Sofia to Imperial Beach (California) | 6,664.61 mi (10,725.65 km) |
| Sofia to Independence (Kentucky) | 5,214.57 mi (8,392.04 km) |
| Sofia to Independence (Missouri) | 5,571.85 mi (8,967.03 km) |
| Sofia to Indian Trail (North Carolina) | 5,241.01 mi (8,434.59 km) |
| Sofia to Indiana (Pennsylvania) | 4,925.01 mi (7,926.04 km) |
| Sofia to Indianapolis (Indiana) | 5,236.18 mi (8,426.81 km) |
