| Ianca to Rodgau | 926.84 mi (1,491.60 km) |
| Ianca to Roding | 755.07 mi (1,215.17 km) |
| Ianca to Rodinghausen | 991.82 mi (1,596.18 km) |
| Ianca to Roetgen | 1,052.14 mi (1,693.26 km) |
| Ianca to Rommerskirchen | 1,037.76 mi (1,670.11 km) |
| Ianca to Ronnenberg | 948.02 mi (1,525.69 km) |
| Ianca to Rosbach vor der Hohe | 939.58 mi (1,512.11 km) |
| Ianca to Rosdorf | 916.19 mi (1,474.47 km) |
| Ianca to Rosenheim | 752.07 mi (1,210.34 km) |
| Ianca to Rosrath | 1,014.67 mi (1,632.95 km) |
| Ianca to Rossdorf | 929.74 mi (1,496.28 km) |
| Ianca to Rosstal | 829.70 mi (1,335.27 km) |
| Ianca to Rostock | 920.58 mi (1,481.54 km) |
| Ianca to Rotenburg an der Fulda | 910.90 mi (1,465.95 km) |
| Ianca to Roth | 818.01 mi (1,316.45 km) |
