| Cayce to Hutchinson (Minnesota) | 1,035.52 mi (1,666.51 km) |
| Cayce to Hutto (Texas) | 991.38 mi (1,595.47 km) |
| Cayce to Hyattsville (Maryland) | 414.25 mi (666.68 km) |
| Cayce to Hybla Valley (Virginia) | 398.26 mi (640.93 km) |
| Cayce to Idaho Falls (Idaho) | 1,783.36 mi (2,870.05 km) |
| Cayce to Idylwood (Virginia) | 402.63 mi (647.98 km) |
| Cayce to Ilchester (Maryland) | 434.58 mi (699.38 km) |
| Cayce to Immokalee (Florida) | 520.12 mi (837.06 km) |
| Cayce to Imperial (California) | 1,983.94 mi (3,192.85 km) |
| Cayce to Imperial Beach (California) | 2,075.73 mi (3,340.57 km) |
| Cayce to Independence (Kentucky) | 396.86 mi (638.69 km) |
| Cayce to Independence (Missouri) | 818.76 mi (1,317.67 km) |
| Cayce to Indian Trail (North Carolina) | 80.89 mi (130.19 km) |
| Cayce to Indiana (Pennsylvania) | 472.77 mi (760.85 km) |
| Cayce to Indianapolis (Indiana) | 491.63 mi (791.20 km) |
