| Naperville to Rodgau | 4,364.53 mi (7,024.03 km) |
| Naperville to Roding | 4,530.01 mi (7,290.35 km) |
| Naperville to Rodinghausen | 4,265.02 mi (6,863.89 km) |
| Naperville to Roetgen | 4,241.45 mi (6,825.96 km) |
| Naperville to Rommerskirchen | 4,245.48 mi (6,832.43 km) |
| Naperville to Ronnenberg | 4,304.18 mi (6,926.91 km) |
| Naperville to Rosbach vor der Hohe | 4,346.97 mi (6,995.77 km) |
| Naperville to Rosdorf | 4,344.23 mi (6,991.36 km) |
| Naperville to Rosenheim | 4,571.39 mi (7,356.93 km) |
| Naperville to Rosrath | 4,268.54 mi (6,869.55 km) |
| Naperville to Rossdorf | 4,365.92 mi (7,026.27 km) |
| Naperville to Rosstal | 4,462.27 mi (7,181.33 km) |
| Naperville to Rostock | 4,321.63 mi (6,954.99 km) |
| Naperville to Rotenburg an der Fulda | 4,357.50 mi (7,012.71 km) |
| Naperville to Roth | 4,476.06 mi (7,203.52 km) |
