| Festus to Iselin (New Jersey) | 873.17 mi (1,405.22 km) |
| Festus to Isla Vista (California) | 1,653.48 mi (2,661.02 km) |
| Festus to Issaquah (Washington) | 1,711.69 mi (2,754.69 km) |
| Festus to Ithaca (New York) | 787.30 mi (1,267.03 km) |
| Festus to Ives Estates (Florida) | 1,035.48 mi (1,666.44 km) |
| Festus to Jackson (Michigan) | 421.29 mi (678.00 km) |
| Festus to Jackson (Mississippi) | 408.06 mi (656.71 km) |
| Festus to Jackson (Missouri) | 71.28 mi (114.71 km) |
| Festus to Jackson (Tennessee) | 197.43 mi (317.73 km) |
| Festus to Jackson (Wyoming) | 1,121.16 mi (1,804.33 km) |
| Festus to Jacksonville (Alabama) | 400.57 mi (644.66 km) |
| Festus to Jacksonville (Arkansas) | 249.66 mi (401.78 km) |
| Festus to Jacksonville (Florida) | 737.96 mi (1,187.64 km) |
| Festus to Jacksonville (Illinois) | 104.75 mi (168.59 km) |
| Festus to Jacksonville (North Carolina) | 761.49 mi (1,225.51 km) |
