| Castro Valley to Illzach | 5,760.20 mi (9,270.14 km) |
| Castro Valley to Ingre | 5,588.80 mi (8,994.30 km) |
| Castro Valley to Irigny | 5,798.96 mi (9,332.53 km) |
| Castro Valley to Isbergues | 5,468.17 mi (8,800.18 km) |
| Castro Valley to Issoire | 5,756.86 mi (9,264.77 km) |
| Castro Valley to Issoudun | 5,644.30 mi (9,083.62 km) |
| Castro Valley to Issy-les-Moulineaux | 5,555.71 mi (8,941.04 km) |
| Castro Valley to Istres | 5,919.40 mi (9,526.35 km) |
| Castro Valley to Ivry-sur-Seine | 5,559.69 mi (8,947.46 km) |
| Castro Valley to Jarville-la-Malgrange | 5,679.51 mi (9,140.29 km) |
| Castro Valley to Jeumont | 5,532.79 mi (8,904.16 km) |
| Castro Valley to Joigny | 5,633.52 mi (9,066.27 km) |
| Castro Valley to Joinville-le-Pont | 5,561.94 mi (8,951.08 km) |
| Castro Valley to Joue-les-Tours | 5,581.78 mi (8,983.01 km) |
| Castro Valley to Jouy-le-Moutier | 5,539.07 mi (8,914.28 km) |
