| Alpena to Racale | 4,817.59 mi (7,753.16 km) |
| Alpena to Racconigi | 4,196.74 mi (6,753.99 km) |
| Alpena to Raffadali | 4,752.17 mi (7,647.88 km) |
| Alpena to Ragusa | 4,823.46 mi (7,762.61 km) |
| Alpena to Ramacca | 4,801.10 mi (7,726.63 km) |
| Alpena to Randazzo | 4,788.34 mi (7,706.08 km) |
| Alpena to Rapallo | 4,275.23 mi (6,880.32 km) |
| Alpena to Ravanusa | 4,776.39 mi (7,686.86 km) |
| Alpena to Ravenna | 4,388.62 mi (7,062.80 km) |
| Alpena to Recanati | 4,484.91 mi (7,217.76 km) |
| Alpena to Recco | 4,271.24 mi (6,873.90 km) |
| Alpena to Reggello | 4,393.90 mi (7,071.29 km) |
| Alpena to Reggio di Calabria | 4,806.11 mi (7,734.68 km) |
| Alpena to Reggio Emilia | 4,315.60 mi (6,945.29 km) |
| Alpena to Reggiolo | 4,313.65 mi (6,942.15 km) |
