| Sintra to Illzach | 1,042.11 mi (1,677.12 km) |
| Sintra to Ingre | 843.50 mi (1,357.49 km) |
| Sintra to Irigny | 866.38 mi (1,394.30 km) |
| Sintra to Isbergues | 1,000.18 mi (1,609.64 km) |
| Sintra to Issoire | 795.93 mi (1,280.93 km) |
| Sintra to Issoudun | 804.13 mi (1,294.12 km) |
| Sintra to Issy-les-Moulineaux | 902.12 mi (1,451.82 km) |
| Sintra to Istres | 814.42 mi (1,310.68 km) |
| Sintra to Ivry-sur-Seine | 904.66 mi (1,455.90 km) |
| Sintra to Jarville-la-Malgrange | 1,031.39 mi (1,659.86 km) |
| Sintra to Jeumont | 1,032.11 mi (1,661.02 km) |
| Sintra to Joigny | 900.34 mi (1,448.95 km) |
| Sintra to Joinville-le-Pont | 908.46 mi (1,462.03 km) |
| Sintra to Joue-les-Tours | 777.45 mi (1,251.19 km) |
| Sintra to Jouy-le-Moutier | 904.23 mi (1,455.21 km) |
