| Hartford to Irun | 3,496.29 mi (5,626.74 km) |
| Hartford to Isla-Cristina | 3,415.23 mi (5,496.27 km) |
| Hartford to Jaca | 3,575.99 mi (5,755.00 km) |
| Hartford to Jaen | 3,570.56 mi (5,746.26 km) |
| Hartford to Jerez de la Frontera | 3,489.70 mi (5,616.13 km) |
| Hartford to Jerez de los Caballeros | 3,407.60 mi (5,484.01 km) |
| Hartford to Jodar | 3,588.82 mi (5,775.64 km) |
| Hartford to Jumilla | 3,665.48 mi (5,899.02 km) |
| Hartford to La Algaba | 3,472.12 mi (5,587.84 km) |
| Hartford to La Baneza | 3,334.39 mi (5,366.17 km) |
| Hartford to La Carlota | 3,517.31 mi (5,660.56 km) |
| Hartford to La Carolina | 3,562.16 mi (5,732.74 km) |
| Hartford to La Corredoria | 3,308.99 mi (5,325.30 km) |
| Hartford to La Eliana | 3,668.58 mi (5,904.01 km) |
| Hartford to La Escala | 3,758.11 mi (6,048.10 km) |
