| Potters Bar to Illzach | 431.23 mi (694.00 km) |
| Potters Bar to Ingre | 275.88 mi (443.99 km) |
| Potters Bar to Irigny | 474.52 mi (763.66 km) |
| Potters Bar to Isbergues | 136.36 mi (219.45 km) |
| Potters Bar to Issoire | 453.03 mi (729.08 km) |
| Potters Bar to Issoudun | 342.47 mi (551.15 km) |
| Potters Bar to Issy-les-Moulineaux | 226.19 mi (364.01 km) |
| Potters Bar to Istres | 614.20 mi (988.46 km) |
| Potters Bar to Ivry-sur-Seine | 229.41 mi (369.20 km) |
| Potters Bar to Jarville-la-Malgrange | 351.49 mi (565.66 km) |
| Potters Bar to Jeumont | 209.99 mi (337.95 km) |
| Potters Bar to Joigny | 302.18 mi (486.31 km) |
| Potters Bar to Joinville-le-Pont | 230.76 mi (371.37 km) |
| Potters Bar to Joue-les-Tours | 302.70 mi (487.15 km) |
| Potters Bar to Jouy-le-Moutier | 209.89 mi (337.79 km) |
