| Spa to Indianola (Iowa) | 4,451.62 mi (7,164.18 km) |
| Spa to Indio (California) | 5,632.98 mi (9,065.40 km) |
| Spa to Inglewood (California) | 5,685.18 mi (9,149.41 km) |
| Spa to Inkster (Michigan) | 4,025.98 mi (6,479.19 km) |
| Spa to Inver Grove Heights (Minnesota) | 4,263.92 mi (6,862.11 km) |
| Spa to Inwood (New York) | 3,723.29 mi (5,992.05 km) |
| Spa to Iona (Florida) | 4,734.75 mi (7,619.84 km) |
| Spa to Ionia (Michigan) | 4,061.16 mi (6,535.81 km) |
| Spa to Iowa City (Iowa) | 4,363.34 mi (7,022.11 km) |
| Spa to Irmo (South Carolina) | 4,327.93 mi (6,965.13 km) |
| Spa to Irondale (Alabama) | 4,576.43 mi (7,365.06 km) |
| Spa to Ironton (Ohio) | 4,176.17 mi (6,720.89 km) |
| Spa to Irvine (California) | 5,684.07 mi (9,147.62 km) |
| Spa to Irving (Texas) | 5,012.60 mi (8,067.00 km) |
| Spa to Isabela (Puerto Rico) | 4,492.29 mi (7,229.64 km) |
