| Castel Gandolfo to Rodgau | 599.25 mi (964.39 km) |
| Castel Gandolfo to Roding | 515.00 mi (828.81 km) |
| Castel Gandolfo to Rodinghausen | 751.83 mi (1,209.96 km) |
| Castel Gandolfo to Roetgen | 687.56 mi (1,106.52 km) |
| Castel Gandolfo to Rommerskirchen | 701.21 mi (1,128.49 km) |
| Castel Gandolfo to Ronnenberg | 743.82 mi (1,197.06 km) |
| Castel Gandolfo to Rosbach vor der Hohe | 620.30 mi (998.27 km) |
| Castel Gandolfo to Rosdorf | 686.28 mi (1,104.46 km) |
| Castel Gandolfo to Rosenheim | 422.45 mi (679.86 km) |
| Castel Gandolfo to Rosrath | 683.66 mi (1,100.24 km) |
| Castel Gandolfo to Rossdorf | 590.82 mi (950.83 km) |
| Castel Gandolfo to Rosstal | 535.61 mi (861.98 km) |
| Castel Gandolfo to Rostock | 852.69 mi (1,372.28 km) |
| Castel Gandolfo to Rotenburg an der Fulda | 653.94 mi (1,052.42 km) |
| Castel Gandolfo to Roth | 523.60 mi (842.65 km) |
