| Erie to Romeoville (Illinois) | 414.14 mi (666.50 km) |
| Erie to Romulus (Michigan) | 168.77 mi (271.60 km) |
| Erie to Ronkonkoma (New York) | 370.94 mi (596.97 km) |
| Erie to Roosevelt (New York) | 350.59 mi (564.23 km) |
| Erie to Rosamond (California) | 2,104.07 mi (3,386.17 km) |
| Erie to Rosaryville (Maryland) | 287.54 mi (462.74 km) |
| Erie to Roscoe (Illinois) | 457.11 mi (735.65 km) |
| Erie to Rose Hill (Virginia) | 277.84 mi (447.14 km) |
| Erie to Roseburg (Oregon) | 2,175.19 mi (3,500.64 km) |
| Erie to Rosedale (California) | 2,139.60 mi (3,443.36 km) |
| Erie to Rosedale (Maryland) | 268.30 mi (431.78 km) |
| Erie to Roselle (Illinois) | 411.07 mi (661.55 km) |
| Erie to Roselle (New Jersey) | 317.81 mi (511.46 km) |
| Erie to Roselle Park (New Jersey) | 317.18 mi (510.45 km) |
| Erie to Rosemead (California) | 2,121.32 mi (3,413.93 km) |
