| Naperville to Racale | 5,146.19 mi (8,281.99 km) |
| Naperville to Racconigi | 4,524.59 mi (7,281.63 km) |
| Naperville to Raffadali | 5,077.24 mi (8,171.03 km) |
| Naperville to Ragusa | 5,148.81 mi (8,286.21 km) |
| Naperville to Ramacca | 5,126.79 mi (8,250.76 km) |
| Naperville to Randazzo | 5,114.51 mi (8,231.00 km) |
| Naperville to Rapallo | 4,603.32 mi (7,408.32 km) |
| Naperville to Ravanusa | 5,101.59 mi (8,210.22 km) |
| Naperville to Ravenna | 4,717.55 mi (7,592.16 km) |
| Naperville to Recanati | 4,813.73 mi (7,746.95 km) |
| Naperville to Recco | 4,599.32 mi (7,401.88 km) |
| Naperville to Reggello | 4,722.31 mi (7,599.82 km) |
| Naperville to Reggio di Calabria | 5,132.77 mi (8,260.39 km) |
| Naperville to Reggio Emilia | 4,644.27 mi (7,474.23 km) |
| Naperville to Reggiolo | 4,642.47 mi (7,471.33 km) |
