| Ionia to Plombieres | 4,055.78 mi (6,527.14 km) |
| Ionia to Pont-a-Celles | 4,003.71 mi (6,443.35 km) |
| Ionia to Poperinge | 3,929.81 mi (6,324.41 km) |
| Ionia to Profondeville | 4,027.74 mi (6,482.03 km) |
| Ionia to Putte | 3,995.25 mi (6,429.74 km) |
| Ionia to Puurs | 3,981.09 mi (6,406.94 km) |
| Ionia to Quaregnon | 3,987.66 mi (6,417.52 km) |
| Ionia to Raeren | 4,063.80 mi (6,540.06 km) |
| Ionia to Ranst | 3,986.93 mi (6,416.34 km) |
| Ionia to Ravels | 3,997.96 mi (6,434.10 km) |
| Ionia to Retie | 4,003.93 mi (6,443.71 km) |
| Ionia to Riemst | 4,040.05 mi (6,501.83 km) |
| Ionia to Rijkevorsel | 3,989.84 mi (6,421.02 km) |
| Ionia to Rixensart | 4,003.09 mi (6,442.35 km) |
| Ionia to Rochefort | 4,048.33 mi (6,515.16 km) |
